RunsLeft › Pitchers › Tatsuya Imai
Starting Pitcher · Houston Astros

Tatsuya Imai

RHP · Throws Right · Age 28Starter
ERA
4.93
FIP
–
IP
76.2
W-L
6-4
WHIP
1.42
K%
28.7
BB%
15.1
GB%
–
K/9
11.4
HR/9
1.1
He was signed by the Houston Astros as an amateur free agent in January 2026. He made his MLB debut on March 29, 2026.Facts: MLB StatsAPI (people · transactions)
No scheduled start today. The model projection and lineup matchup appear on start days.

Slider

SL · lead pitch

45% of pitches · .260 xwOBA allowed · 155 BIP · where it goes, what it costs

Pitcher Locations
where he throws it · catcher’s view
1%1%0%0%0%4%2%3%1%0%9%11%13%6%1%1%5%6%2%1%1%7%10%8%5%
Rare 0% · Common 10% · Very common 20%+
xwOBA Allowed
damage done by zone · all batters
.739.707–––.536.330.000.000–.259.211.471.005–.192.266.208.281.000–.091.143.181.396
Cold .200 · Avg .310 · Hot .500+
Expected Damage
locations × damage zones
.010.006–––.019.008.000.000–.024.023.063.000–.002.012.013.007.000–.007.015.014.019
Low risk · Average · High-risk zone
Slider (45% usage) has allowed .260 xwOBA over 155 balls in play — his most-used pitch.

Arsenal

usage × whiff, ranked

6 pitch types · 1,314-pitch sample · 2026 season

Slider SL
45% usage · 37% whiff · .260 xwOBA · 86.6 mph
Four-Seam Fastball FF
44% usage · 17% whiff · .419 xwOBA · 94.8 mph
Sinker SI
5% usage · 19% whiff · .458 xwOBA · 94.5 mph
Changeup CH
3% usage · .437 xwOBA · 86.2 mph
Splitter FS
2% usage · 84.7 mph
Curveball CU
1% usage · .272 xwOBA
Whiff% Trend
last 8 outings · by pitch · min 5 swings per point
0102030405060707/17/78/209/19/99/169/209/27
SliderFour-Seam FastballSinker
Hand Splits
K% + xwOBA allowed by batter side · 2026 season
SplitK%xwOBASample
vs. LHB26.2 .370 173
vs. RHB30.2 .276 108
Live · client-hydrated

Market lines

current pick’em lines by book · updates through the day

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DFS picks

today’s picks for this pitcher, probability-sorted · graded nightly

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